ATTEST Synonyms: 49 Similar and Opposite Words

Q: How does the verb 'attest' contrast with its synonyms?

Some common synonyms of attest are certify , vouch , and witness . While all these words mean "to testify to the truth or genuineness of something," attest applies to oral or written testimony usually from experts or witnesses. // attested to the authenticity of the document

Q: When would 'certify' be a good substitute for 'attest'?

The words certify and attest can be used in similar contexts, but certify usually applies to a written statement, especially one carrying a signature or seal. // certified that the candidate had met all requirements

Q: When could 'vouch' be used to replace 'attest'?

The meanings of vouch and attest largely overlap; however, vouch applies to one who testifies as a competent authority or a reliable person. // willing to vouch for her integrity

Q: When is 'witness' a more appropriate choice than 'attest'?

Although the words witness and attest have much in common, witness applies to the subscribing of one's own name to a document as evidence of its genuineness. // witnessed the signing of the will

attest

verb

ə-ˈtest

Definition of attest next

as in to certify

to declare (something) to be true or genuine the appraiser attests that the lamp is indeed an original Tiffany

Synonyms & Similar Words

Relevance

as in to testify

to make a solemn declaration under oath for the purpose of establishing a fact an eyewitness who will attest to my innocence

Synonyms & Similar Words

as in to verify

to give evidence or testimony to the truth or factualness of I'll attest that she was at the party

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How does the verb attest contrast with its synonyms?

Some common synonyms of attest are certify, vouch, and witness. While all these words mean "to testify to the truth or genuineness of something," attest applies to oral or written testimony usually from experts or witnesses.

attested to the authenticity of the document

When would certify be a good substitute for attest?

The words certify and attest can be used in similar contexts, but certify usually applies to a written statement, especially one carrying a signature or seal.

certified that the candidate had met all requirements

When could vouch be used to replace attest?

The meanings of vouch and attest largely overlap; however, vouch applies to one who testifies as a competent authority or a reliable person.

willing to vouch for her integrity

When is witness a more appropriate choice than attest?

Although the words witness and attest have much in common, witness applies to the subscribing of one's own name to a document as evidence of its genuineness.

witnessed the signing of the will

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of attest And local boy gone bad is a not unfamiliar theme as Rashford will attest. —

Carl Anka, The Athletic, 8 Jan. 2025 The Yankees' successful history with such Japanese stars as Masahiro Tanaka and Hideki Matsui would attest to that. —

David Faris, Newsweek, 29 Dec. 2024 Outside of sleep, there's rarely a moment of peace with an infant around, as Lily Gilbert, a 28-year-old new mom from Hereford, England, can attest. —

Tommy Tuberville, Newsweek, 8 Jan. 2025 These transitions reshaped user experiences, and the emergence of computers like the IBM Personal Computer and Windows as well as the sleek ecosystems of Apple attest to this. —

Hilary Tetenbaum, USA TODAY, 7 Jan. 2025 See all Example Sentences for attest

Recent Examples of Synonyms for attest

Verb

Following his loss in the 2020 election to former President Joe Biden, Trump did not concede and denied the election results — which, as vice president and the president of the Senate, was Pence's duty to certify.

— Rachel Raposas, People.com, 20 Jan. 2025
When choosing a supplement, look for products independently tested or certified by organizations such as the National Sanitation Foundation (NSF), United States Pharmacopeia (USP), or ConsumerLab.

— Jonathan Purtell, Verywell Health, 19 Jan. 2025